Restrict changing channel name

client/views/app/sideNav/createChannelFlex.coffee

@@ -8,6 +8,9 @@ Template.createChannelFlex.helpers
 	error: ->
 		return Template.instance().error.get()
 
+	roomName: ->
+		return Template.instance().roomName.get()
+
 	autocompleteSettings: ->
 		return {
 			limit: 10
@@ -60,10 +63,17 @@ Template.createChannelFlex.events
 
 	'click .save-channel': (e, instance) ->
 		err = SideNav.validate()
+		instance.roomName.set instance.find('#channel-name').value
+		console.log err
 		if not err
 			Meteor.call 'createChannel', instance.find('#channel-name').value, instance.selectedUsers.get(), (err, result) ->
-				if err
-					return toastr.error err.reason
+				if err 
+					console.log err
+					if err.error is 'name-invalid'
+						instance.error.set({ invalid: true })
+						return
+					else	
+						return toastr.error err.reason
 
 				SideNav.closeFlex()
 
@@ -71,16 +81,18 @@ Template.createChannelFlex.events
 
 				Router.go 'room', { _id: result.rid }
 		else
-			Template.instance().error.set(err)
+			instance.error.set({ fields: err })
 
 Template.createChannelFlex.onCreated ->
 	instance = this
 	instance.selectedUsers = new ReactiveVar []
 	instance.selectedUserNames = {}
 	instance.error = new ReactiveVar []
+	instance.roomName = new ReactiveVar ''
 
 	instance.clearForm = ->
 		instance.error.set([])
+		instance.roomName.set('')
 		instance.selectedUsers.set([])
 		instance.find('#channel-name').value = ''
 		instance.find('#channel-members').value = ''

client/views/app/sideNav/createChannelFlex.html

@@ -17,14 +17,20 @@
 				{{/each}}
 			</ul>
 		</div>
-		{{#if error}}
+		{{#if error.fields}}
 			<div class="input-error">
 				<strong>Ops!</strong>
-				{{#each error}}
-					<p>The field {{error}} is required.</p>
+				{{#each error.fields}}
+					<p>The field {{.}} is required.</p>
 				{{/each}}
 			</div>
 		{{/if}}
+		{{#if error.invalid}}
+			<div class="input-error">
+				<strong>Ops!</strong>
+				{{{_ "chatRooms.Invalid_room_name" roomName}}}
+			</div>
+		{{/if}}
 		<div class="input-submit">
 			<button class="button clean primary save-channel">{{_ "chatRooms.Save" }}</button>
 			<button class="button clean cancel-channel">{{_ "chatRooms.Cancel" }}</button>

i18n/en.i18n.json

@@ -37,7 +37,8 @@
 		"No_favorites_yet": "You haven't added any favorites yet.",
 		"Create_new_channel": "Create a new channel",
 		"Channels_list": "List of public channels",
-		"More_channels": "More channels"
+		"More_channels": "More channels",
+		"Invalid_room_name": "<strong>%s</strong> is not a valid room name,<br/> use only letters, numbers and dashes"
 	},
 	"chatWindowDashboard": {
 		"Add_users": "Add users",

i18n/pt.i18n.json

@@ -34,7 +34,8 @@
 		"No_channels_yet": "Você não faz parte de nenhum canal ainda.",
 		"No_direct_messages_yet": "Você não iniciou nenhuma conversa ainda.",
 		"No_groups_yet": "Nenhum grupo privado ainda.",
-		"No_favorites_yet": "Nenhum favorito ainda."
+		"No_favorites_yet": "Nenhum favorito ainda.",
+		"Invalid_room_name": "<strong>%s</strong> não é um nome válido,<br/> use apenas letras, números e traços"
 	},
 	"chatWindowDashboard": {
 		"Add_users": "Adicionar usuários",

server/methods/createChannel.coffee

 Meteor.methods
 	createChannel: (name, members) ->
+		if not /^[0-9a-z-_]+$/i.test name
+			throw new Meteor.Error 'name-invalid'
+
 		fromId = Meteor.userId()
 		# console.log '[methods] createChannel -> '.green, 'fromId:', fromId, 'members:', members
 
@@ -7,7 +10,7 @@ Meteor.methods
 
 		members.push Meteor.userId()
 
-		name = s.slugify name
+		# name = s.slugify name
 
 		# create new room
 		roomId = ChatRoom.insert